---Owesean.java


package com.sjoerd.mod;

import com.sjoerd.mod.blocks.OweseanBlock;
import com.sjoerd.mod.blocks.OweseanBlocks;
import com.sjoerd.mod.blocks.OweseanOre;
import com.sjoerd.mod.items.OweseanGenericItems;

import net.minecraft.block.Block;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@Mod(modid = Owesean.modid, version = Owesean.version, name = Owesean.name)
public class Owesean {

    //Basic mod variabes
    public static final String modid = "owesean";
    public static final String version = "Alpha v0.1";
    public static final String name = "Owesean";


    //Creative tab
    public static CreativeTabs tabOweseanTab;

    //Create item variables
    public static Item ingot_owesean;

    //Create block variables
    //public static Block owesean_ore;
    public static Block owesean_block;



    //PreInit
    @EventHandler
    public void PreInit(FMLPreInitializationEvent preEvent){

        OweseanBlocks.init();

        //Creative tab
        tabOweseanTab = new CreativeTabs("tabOwesean"){
            @SideOnly(Side.CLIENT)
            public Item getTabIconItem(){
                return Owesean.ingot_owesean; //Leaf!
              //return Item.getItemFromBlock(Owesean.owesean_ore);
            }
        };

        //Initialize and register items
        ingot_owesean = new OweseanGenericItems();
        GameRegistry.registerItem(ingot_owesean, "OweseanIngot");


        //Initialize and register blocks
        //owesean_ore = new OweseanOre();
        //GameRegistry.registerBlock(owesean_ore, "OweseanOre");

        owesean_block = new OweseanBlock();
        GameRegistry.registerBlock(owesean_block, "OweseanBlock");

    }


    //Init
    @EventHandler
    public void Init(FMLInitializationEvent event){

        //Crafting
        GameRegistry.addRecipe(new ItemStack(Owesean.owesean_block, 1), new Object[]
            { "III", "III", "III", 'I', Owesean.ingot_owesean });


        //Smelting
        //GameRegistry.addSmelting(owesean_ore, new ItemStack(ingot_owesean), 0.7F);
    }


    //PostInit
    public void PostInit(FMLPostInitializationEvent postEvent){

    }
}


----------new class----------
---OweseanBlocks.java


package com.sjoerd.mod.blocks;

import static com.sjoerd.mod.blocks.OweseanBlockDecl.*;

import com.sjoerd.mod.itemblocks.ItemBlockOres;

import cpw.mods.fml.common.registry.GameRegistry;

public class OweseanBlocks {

    public static void init(){
        registerBlocks();
    }

    public static void registerBlocks(){
        blockOweseanOresBlock = new OweseanOresBlock();
        GameRegistry.registerBlock(blockOweseanOresBlock, ItemBlockOres.class, "blockOres");
    }
}


----------new class----------
---OweseanBlockDecl.java



package com.sjoerd.mod.blocks;

import net.minecraft.block.Block;

public class OweseanBlockDecl {

    public static Block blockOweseanOresBlock;
}



----------new class----------
---OweseanOresBlock.java



package com.sjoerd.mod.blocks;

import java.util.List;

import com.sjoerd.mod.Owesean;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;

public class OweseanOresBlock extends Block{

    @SideOnly(Side.CLIENT)
    private IIcon[] texture;

    final static String[] subBlocks = new String[] {"Owesean", "Copper", "Tin", "Nickel", "Zinc"};

    protected OweseanOresBlock(){
        super(Material.rock);
        setBlockName("blockOweseanOres");
        setHardness(3.0F);
        setResistance(5.0F);
        setCreativeTab(Owesean.tabOweseanTab);
    }

    @SideOnly(Side.CLIENT)
    public void registerBlockIcons(IIconRegister iconRegister){
        texture = new IIcon[subBlocks.length];

        for(int i = 0; i < subBlocks.length; i++)
            texture[i] = iconRegister.registerIcon(Owesean.modid + ":" + subBlocks[i] + "Ore");
    }

    @SideOnly(Side.CLIENT)
    public void getSubBlocks(Item block, CreativeTabs creativeTabs, List list){
        for (int i = 0; i < subBlocks.length; i++)
            list.add(new ItemStack(block, 1, i));
    }

    @SideOnly(Side.CLIENT)
    public IIcon getIcon(int side, int meta){
        return texture[meta];
    }

    public int damageDropped(int meta){
        return meta;
    }
}



----------new class----------
---ItemBlockOres.java


package com.sjoerd.mod.itemblocks;

import net.minecraft.block.Block;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;

public class ItemBlockOres extends ItemBlock{

    final static String[] subBlocks = new String[] {"Owesean", "Copper", "Tin", "Nickel", "Zinc"};

    public ItemBlockOres(Block block) {
        super(block);
        setHasSubtypes(true);
    }

    public String getUnlocloizedName(ItemStack itemStack){
        int i = itemStack.getItemDamage();
        if(i < 0 || i >= subBlocks.length)
            i = 0;

        return super.getUnlocalizedName() + "." + subBlocks[i] + "Ore";
    }

    public int getMetadata(int meta){
        return meta;
    }
}